a:7:{i:0;s:2:"id";i:1;s:8:"order_id";i:2;s:15:"refund_money_id";i:3;s:7:"item_id";i:4;s:3:"num";s:3:"_pk";s:2:"id";s:5:"_type";a:5:{s:2:"id";s:19:"bigint(20) unsigned";s:8:"order_id";s:19:"bigint(20) unsigned";s:15:"refund_money_id";s:19:"bigint(20) unsigned";s:7:"item_id";s:19:"bigint(20) unsigned";s:3:"num";s:16:"int(10) unsigned";}}